(Florence) Mabel Quiller-Couch (c. 1866 - 1924) was an English editor, compiler and children's writer. Mabel Quiller-Couch was the daughter of Thomas Quiller-Couch of Bodmin and his wife Mary (née Ford) and younger sister of the critic Arthur Quiller-Couch. She was one of five children of whom Arthur was the eldest son. After a disappointment in love she lived with her younger sister Lilian, also a writer, in Hampstead. Of her 26 publications, one was jointly written and one jointly edited with her sister.